1080p
http://pdl.warnerbros.com/wbmovies/gravity/trailer1/GRAVITY%20-%20TRAILER%201A%202D-1080.mov
720p
http://pdl.warnerbros.com/wbmovies/gravity/trailer1/GRAVITY%20-%20TRAILER%201A%202D-720.mov
480p
http://pdl.warnerbros.com/wbmovies/gravity/trailer1/GRAVITY%20-%20TRAILER%201A%202D-480.mov